Initialize BlueZ in app_shell on Linux

extensions/test/data/api_test/bluetooth/manifest.json

Index: extensions/test/data/api_test/bluetooth/manifest.json
diff --git a/extensions/test/data/api_test/bluetooth/manifest.json b/extensions/test/data/api_test/bluetooth/manifest.json
new file mode 100644
index 0000000000000000000000000000000000000000..33eef459f0c27cfd427302e588e87915e7decf35
--- /dev/null
+++ b/extensions/test/data/api_test/bluetooth/manifest.json
@@ -0,0 +1,13 @@
+{
+  "manifest_version": 2,
+  "name": "Test platform app with APIs",
+  "version": "1.0",
+  "description": "Tests loading an app that declares API keys and calls apps API functions",
+  "app": {
+    "background": {
+      "scripts": ["runtest.js"]
+    }
+  },
+  "bluetooth": {},
+  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqbc71rRrqz+62pGVmZGDzTK8P4IHTTyN4jBLBJasDTrRllQp4Pb6INnSr08HQM3aaZMYKWkAJTm4gbCDNzvHfIZMAMY6OZfnm0eqiZnxFFgKgIzdr4Z/EyAXVd1Rm1JKhncde2S/U3zWStDb5iYfWZJBIiWVT98q7cW6sstsMOmrHAIAKCzK+mzycFptlRWzAf+8NR9bq1jNZe+h1kJBgY0xnVlGZm+NIhZd/Ke8Y+G2vM4rtuDvp5971HVV294HD28hWbsoOqBf85gPa6tKE57FhLomi/aJVBVBiCfHExXjK1hB2QeM/r7e8P//ZZPoYszSzHJVBw/heRLFOMezIwIDAQAB"
+}